The Detective Bureau is led by Lt. Scott Matice, a 12-year veteran of the Sheriff’s Office.
Lt. Matice:
- Phone: 269.673.0500, ext. 4479 or
Direct Dial: 269.673.0503 - Email: smatice@allegancounty.org
Reporting to Lt. Matice are five general case detectives who are each assigned to one section of the county, one detective assigned to sex crimes county-wide, and two detectives assigned to the WEMET drug crimes task force.
Detectives may be reached by calling the Sheriff’s Office at 269.673.0500, and dialing the extension listed below.
| DETECTIVE | CONTACT INFO | ASSIGNMENT |
|---|---|---|
| Detective Chris Haverdink | ext. 4452 or chaverdink@allegancounty.org |
Team 1: Laketown, Fillmore, Overisel, Saugatuck, Manlius and Heath Townships |
| Detective Craig Gardiner | ext. 4454 or cgardiner@allegancounty.org |
Team 2: Ganges, Clyde, Casco and Lee Townships |
| Detective Chris Koster | ext. 4230 or ckoster@allegancounty.org |
Team 4: Valley, Allegan, Cheshire and Trowbridge Townships |
| Detective Len Mathis | ext. 4422 or lmathis@allegancounty.org |
Team 5: Salem, Dorr, Leighton, Monterey, Hopkins and Wayland Townships |
| Detective John Stidham | ext. 4486 or jstidham@allegancounty.org |
Team 6: Watson, Martin, Otsego and Gun Plain Townships |
| Detective Pat O’Reilly | ext. 4263 or poreilly@allegancounty.org |
Multi-jurisdictional Focused Investigation Team |
| Detective Morgan Sullivan | ext. 4211 or msullivan@allegancounty.org |
WEMET multi-agency drug unit, which handles drug crimes throughout Allegan, Muskegon, and Ottawa Counties |
| Detective Brett Ensfield | ext. 4355 or bensfield@allegancounty.org |
Learn about the Focus Investigation Team (FIT)
Contact Silent Observer:
- Phone: 1-800-554-3633 to provide informational anonymously
- Send an e-mail to the Silent Observer mailbox at the Sheriff’s Office

